From 30c8d9c0effbe3a0924906060c0327f00ef504e7 Mon Sep 17 00:00:00 2001 From: yupeng <roc__yu@163.com> Date: 星期三, 05 三月 2025 14:28:23 +0800 Subject: [PATCH] feat: 新增文件表、新的文件上传接口 --- ruoyi-admin/src/main/java/com/ruoyi/web/controller/tool/TencentCosUtil.java | 185 +++++++++++++++++++++++++++++---------------- 1 files changed, 119 insertions(+), 66 deletions(-) diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/tool/TencentCosUtil.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/tool/TencentCosUtil.java index 1d02134..d74cf21 100644 --- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/tool/TencentCosUtil.java +++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/tool/TencentCosUtil.java @@ -1,20 +1,23 @@ package com.ruoyi.web.controller.tool; +import cn.hutool.core.date.DateUtil; import com.qcloud.cos.COSClient; import com.qcloud.cos.ClientConfig; import com.qcloud.cos.auth.BasicCOSCredentials; import com.qcloud.cos.auth.COSCredentials; -import com.qcloud.cos.exception.CosClientException; -import com.qcloud.cos.exception.CosServiceException; import com.qcloud.cos.http.HttpProtocol; import com.qcloud.cos.model.COSObject; -import com.qcloud.cos.model.GetObjectRequest; import com.qcloud.cos.model.ObjectMetadata; import com.qcloud.cos.model.PutObjectResult; import com.qcloud.cos.region.Region; -import com.qcloud.cos.utils.IOUtils; import com.ruoyi.common.utils.WebUtils; -import org.springframework.beans.factory.annotation.Value; +import com.ruoyi.system.model.TFile; +import com.ruoyi.system.service.SysFileService; +import com.ruoyi.system.service.impl.SysFileServiceImpl; +import com.ruoyi.web.core.config.FileUploaderConfig; +import lombok.extern.slf4j.Slf4j; +import org.apache.commons.lang3.StringUtils; +import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import org.springframework.web.multipart.MultipartFile; @@ -25,44 +28,17 @@ import java.io.InputStream; import java.io.OutputStream; import java.util.Base64; +import java.util.Date; import java.util.UUID; + +import static cn.hutool.core.date.DatePattern.NORM_DATE_FORMAT; /** * @author HJL */ @Component +@Slf4j public class TencentCosUtil { - - /** - * COS的SecretId - */ - @Value("${cos.client.accessKey}") - private String secretId; - /** - * COS的SecretKey - */ - @Value("${cos.client.secretKey}") - private String secretKey; - /** - * 文件上传后访问路径的根路径,后面要最佳文件名字与类型 - */ - @Value("${cos.client.rootSrc}") - private String rootSrc; - /** - * 上传的存储桶的地域 - */ - @Value("${cos.client.bucketAddr}") - private String bucketAddr; - /** - * 存储桶的名字,是自己在存储空间自己创建的,我创建的名字是:qq-test-1303****** - */ - @Value("${cos.client.bucket}") - private String bucketName; - /** - * 文件存放位置 - */ - @Value("${cos.client.location}") - private String location; /** * 1.调用静态方法getCosClient()就会获得COSClient实例 @@ -70,16 +46,65 @@ * * @return COSClient实例 */ - private COSClient getCosClient() { - // 1 初始化用户身份信息(secretId, secretKey)。 - COSCredentials cred = new BasicCOSCredentials(secretId, secretKey); - // 2.1 设置存储桶的地域(上文获得) - Region region = new Region(bucketAddr); - ClientConfig clientConfig = new ClientConfig(region); - // 2.2 使用https协议传输 - clientConfig.setHttpProtocol(HttpProtocol.https); - // 生成 cos 客户端 - return new COSClient(cred, clientConfig); + + @Autowired + COSClient cosClient; + + @Autowired + FileUploaderConfig cosConfig; + + @Autowired + SysFileService sysFileService; + + + /** + * 上传文件,并存入sys_file,返回文件的主键ID + * @param file + * @param folder + * @return + */ + public TFile upload(MultipartFile file, String folder){ + try { + // 获取上传的文件的输入流 + InputStream inputStream = file.getInputStream(); + // 避免文件覆盖,获取文件的原始名称,如123.jpg,然后通过截取获得文件的后缀,也就是文件的类型 + + String originalFilename = file.getOriginalFilename(); + + //获取文件的类型 + String fileType = originalFilename.substring(originalFilename.lastIndexOf(".")); + //使用UUID工具 创建唯一名称,放置文件重名被覆盖,在拼接上上命令获取的文件类型 + String fileName = UUID.randomUUID() + fileType; + + String name = (StringUtils.isNotEmpty(folder)? + folder+"/" + :"/default/") + DateUtil.format(new Date(),NORM_DATE_FORMAT)+"/"+fileName; + // 指定文件上传到 COS 上的路径,即对象键。最终文件会传到存储桶名字中的images文件夹下的fileName名字 + String key = cosConfig.getLocation()+"/" + fileName; + // 创建上传Object的Metadata + ObjectMetadata objectMetadata = new ObjectMetadata(); + // - 使用输入流存储,需要设置请求长度 + objectMetadata.setContentLength(inputStream.available()); + // - 设置缓存 + objectMetadata.setCacheControl("no-cache"); + // - 设置Content-Type + objectMetadata.setContentType(fileType); + //上传文件 + cosClient.putObject(cosConfig.getBucketName(), key, inputStream, objectMetadata); + TFile tFile = new TFile(); + tFile.setFileName(name); + tFile.setRealName(originalFilename); + tFile.setFileType(fileType); + tFile.setUrl(cosConfig.getRootSrc()+key); + tFile.setContentType(file.getContentType()); + tFile.setFileSize(file.getSize()); + sysFileService.save(tFile); + return tFile; + } catch (Exception e) { + log.error("上传文件发生异常",e); + // 发生IO异常、COS连接异常等,返回空 + return null; + } } /** @@ -99,7 +124,7 @@ //使用UUID工具 创建唯一名称,放置文件重名被覆盖,在拼接上上命令获取的文件类型 String fileName = UUID.randomUUID() + fileType; // 指定文件上传到 COS 上的路径,即对象键。最终文件会传到存储桶名字中的images文件夹下的fileName名字 - String key = location+"/" + fileName; + String key = cosConfig.getLocation()+"/" + fileName; // 创建上传Object的Metadata ObjectMetadata objectMetadata = new ObjectMetadata(); // - 使用输入流存储,需要设置请求长度 @@ -109,14 +134,13 @@ // - 设置Content-Type objectMetadata.setContentType(fileType); //上传文件 - PutObjectResult putResult = getCosClient().putObject(bucketName, key, inputStream, objectMetadata); + PutObjectResult putResult = cosClient.putObject(cosConfig.getBucketName(), key, inputStream, objectMetadata); // 创建文件的网络访问路径 - String url = rootSrc + key; - //关闭 cosClient,并释放 HTTP 连接的后台管理线程 - getCosClient().shutdown(); + String url = cosConfig.getRootSrc() + key; return url; } catch (Exception e) { e.printStackTrace(); + log.error("上传文件发生异常",e); // 发生IO异常、COS连接异常等,返回空 return null; } @@ -129,20 +153,20 @@ */ public void downLoadFile(String file) { HttpServletResponse response = WebUtils.response(); - String replace = file.replace(rootSrc, ""); + String replace = file.replace(cosConfig.getRootSrc(), ""); response.setHeader("Access-Control-Expose-Headers","File-Type"); COSCredentials cred = new BasicCOSCredentials( - secretId, - secretKey); + cosConfig.getSecretId(), + cosConfig.getSecretKey()); // 2.1 设置存储桶的地域(上文获得) - Region region = new Region(bucketAddr); + Region region = new Region(cosConfig.getBucketAddr()); ClientConfig clientConfig = new ClientConfig(region); // 2.2 使用https协议传输 clientConfig.setHttpProtocol(HttpProtocol.https); COSClient cosClient = new COSClient(cred, clientConfig); try { // 5. 下载文件并获取输入流 - InputStream inputStream = cosClient.getObject(bucketName, replace).getObjectContent(); + InputStream inputStream = cosClient.getObject(cosConfig.getBucketName(), replace).getObjectContent(); ServletOutputStream outputStream = response.getOutputStream(); // 6. 处理输入流,例如读取内容或保存到本地文件 // 这里仅作示例,实际应用中需要根据需求处理输入流 @@ -154,26 +178,24 @@ } } catch (Exception e) { e.printStackTrace(); - } finally { - // 7. 关闭输入流 - cosClient.shutdown(); + log.error("下载文件发生异常",e); } } public String downLoadFileImg(String file) { byte[] data = null; - String replace = file.replace(rootSrc, ""); + String replace = file.replace(cosConfig.getRootSrc(), ""); COSCredentials cred = new BasicCOSCredentials( - secretId, - secretKey); + cosConfig.getSecretId(), + cosConfig.getSecretKey()); // 2.1 设置存储桶的地域(上文获得) - Region region = new Region(bucketAddr); + Region region = new Region(cosConfig.getBucketAddr()); ClientConfig clientConfig = new ClientConfig(region); // 2.2 使用https协议传输 clientConfig.setHttpProtocol(HttpProtocol.https); COSClient cosClient = new COSClient(cred, clientConfig); try { // 5. 下载文件并获取输入流 - InputStream inputStream = cosClient.getObject(bucketName, replace).getObjectContent(); + InputStream inputStream = cosClient.getObject(cosConfig.getBucketName(), replace).getObjectContent(); ByteArrayOutputStream swapStream = new ByteArrayOutputStream(); // 6. 处理输入流,例如读取内容或保存到本地文件 byte[] buffer = new byte[1024]; @@ -185,10 +207,41 @@ data = swapStream.toByteArray(); } catch (Exception e) { e.printStackTrace(); + log.error("下载图片发生异常",e); } finally { - // 7. 关闭输入流 - cosClient.shutdown(); } return Base64.getEncoder().encodeToString(data); } + + public void download(TFile file) { + HttpServletResponse response = WebUtils.response(); + COSCredentials cred = new BasicCOSCredentials( + cosConfig.getSecretId(), + cosConfig.getSecretKey()); + // 2.1 设置存储桶的地域(上文获得) + Region region = new Region(cosConfig.getBucketAddr()); + ClientConfig clientConfig = new ClientConfig(region); + // 2.2 使用https协议传输 + clientConfig.setHttpProtocol(HttpProtocol.https); + COSClient cosClient = new COSClient(cred, clientConfig); + // 5. 下载文件并获取输入流 + COSObject object = cosClient.getObject(cosConfig.getBucketName(), file.getUrl()); + try ( + InputStream is = object.getObjectContent(); + OutputStream os = response.getOutputStream() + ) { + response.setContentType(file.getContentType() + ";charset=utf-8"); + String filename = new String(file.getRealName().getBytes("UTF-8"), "ISO-8859-1"); + response.addHeader("Content-Disposition", "attachment;filename=" + filename); + response.addHeader("Content-Length", "" + file.getFileSize()); + int len = 0; + byte[] buffer = new byte[2048]; + while ((len = is.read(buffer)) > 0) { + os.write(buffer, 0, len); + } + os.flush(); + } catch (IOException e) { + log.error("读取cos图片发生异常", e); + } + } } \ No newline at end of file -- Gitblit v1.7.1